John Ziegler
2 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| July 1954 | 137|137.1 | Essay | Letter (Authentic Science Fiction Monthly, July 15, 1954): More Planets? | Authentic Science Fiction Monthly, July 15, 1954 |
| September 1954 | 137|137.1 | Essay | Letter (Authentic Science Fiction Monthly, September 15, 1954): More Planets? | Authentic Science Fiction Monthly, September 15, 1954 |